//C02:2.4:sqrt.cpp -- using the sqrt() function
#include <iostream>
#include <cmath>
int main(void)
{
    using namespace std;
    double area;

    cout << "Enter the floor area, in square feet, of your home: ";
    cin >> area;
    double side;
    side = sqrt(area);
    cout << "That's the equivalent of a squre " << side
         << " feet to the side." << endl;
    cout << "How fascinating!" << endl;     
}

